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24. State requirement for cooling & lubricating by lubricating oil of

30. State about controllable pitch propeller:

28. State concept about indirect driving mode, advantage

26. State about thrust shaft & bearing:

25. State about intermediate shaft & bearing?

32. Hydraulic clutch

23. State requirement for cooling & lubricating by water of stern bearing?

31. Hydraulic equipment

29. State concept about electric driving mode, advantage

27. State concept about direct driving mode, advantage